AUGAR SHAFT CONNECTION METHOD OF EARTH AUGAR,申请号JP19780080713-传众专利搜索

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发明名称	AUGAR SHAFT CONNECTION METHOD OF EARTH AUGAR
摘要
申请公布号	JPS557370(A)	申请公布日期	1980.01.19
申请号	JP19780080713	申请日期	1978.07.03
申请人	KAWAI YOSHIHIKO;SANWA KIZAI CO LTD	发明人	KAWAI YOSHIHIKO;TAKEDA SHIYOUGO
分类号	E21B17/02;E21B17/03	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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